Therthangal Bird Sanctuary
Therthangal Bird Sanctuary is a bird sanctuary in Ramanathapuram district in the Indian state of Tamil Nadu. Established in 2010, it is spread across an area of. It has been designated as a protected Ramsar site since 2024.
Geography
Therthangal bird sanctuary is located in Ramanathapuram district in the Indian state of Tamil Nadu. Established in 2010, it is spread across an area of. It is a protected area under the Wildlife Protection Act of 1972. The wetland ecosystem is fed by small rivulets from the Vaigai and Gundar rivers. The tank gets water only during the rainy seasons, and it served primarily as a source of water for agriculture purposes. It has been designated as a protected Ramsar site since 2024.
Flora and fauna
The area consists of about 133 species of plants including a large number of Acacia nilotica trees, most of which were planted by the Tamil Nadu Forest Department and serves as the main nest-supporting trees. About 96 species of birds have been recored in the sanctuary, including the endangered Egyptian vulture and the Indian spotted eagle. The sanctuary lies on the Central Asian Flyway, an important bird migration route, and serves as a temporary refuge for a large number of migratory birds including grebes, pelicans, cormorants, darters, herons, egrets, bitterns, and storks. The wetlands are also home to seven mammal, 11 reptile, six amphibian, and various insect species.